A four-loop Radiative Seesaw Model

Abstract

We propose a new type of radiative neutrino model with global hidden $U(1)$ symmetry, in which neutrino masses are induced at the four loop level. Then we discuss the muon anomalous magnetic moment to solve the discrepancy between observation and the standard model prediction, and estimate the relic density of a fermion or boson DM candidate in the model. We also discuss the diphoton resonance $R$ by considering a process $pp\to R\to \gamma \gamma$ as a possible signal of our model.

15 pages, 3 figures, 1 table; accepted version for Physics Letters B

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• Systematic Study of Diphoton Resonance at 750 GeV from Sgoldstino
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• The Observed Diphoton Excess in F-theory Inspired Heterotic String-Derived Model